晟普特(北京)防护科技有限公司
主营产品:防弹钢、防弹钢板、防护钢、装甲钢
钢材级别 | 屈服点 σ s (MPa) 不小于 | 抗拉强度 σ b (MPa) | 伸长率 σ% 不小于 | 碳 C | 锰 Mn | 硅 Si | 硫 S | 磷 P |
A | 235 | 400-520 | 22 | ≤0.21 | ≥2.5C | ≤0.5 | ≤0.035 | ≤0.035 |
B | ≤0.21 | ≥0.80 | ≤0.35 | |||||
D | ≤0.21 | ≥0.60 | ≤0.35 | |||||
E | ≤0.18 | ≥0.70 | ≤0.35 |
钢材级别 | 屈服点 σ s (MPa) 不小于 | 抗拉强度 σ b (MPa) | 伸长率 σ% 不小于 | 碳 C | 锰 Mn | 硅 Si | 硫 S | 磷 P |
A 32 | 315 | 440-570 | 22 | ≤0.18 | ≥0.9-1.60 | ≤0.50 | ≤0.035 | ≤0.035 |
D 32 | ||||||||
E 32 | ||||||||
F 32 | ≤0.16 | ≤0.025 | ≤0.025 | |||||
A 36 | 355 | 490-630 | 21 | ≤0.18 | ≤0.035 | ≤0.035 | ||
D 36 | ||||||||
E 36 | ||||||||
F 36 | ≤0.16 | ≤0.025 | ≤0.025 | |||||
A 40 | 390 | 510-660 | 20 | ≤0.18 | ≤0.035 | ≤0.035 | ||
D 40 | ||||||||
E 40 | ||||||||
F 40 | ≤0.16 | ≤0.025 | ≤0.025 |